xref: /linux/arch/x86/boot/mkcpustr.c (revision 8dd06ef34b6e2f41b29fbf5fc1663780f2524285)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* ----------------------------------------------------------------------- *
3  *
4  *   Copyright 2008 rPath, Inc. - All Rights Reserved
5  *
6  * ----------------------------------------------------------------------- */
7 
8 /*
9  * This is a host program to preprocess the CPU strings into a
10  * compact format suitable for the setup code.
11  */
12 
13 #include <stdio.h>
14 
15 #include "../include/asm/required-features.h"
16 #include "../include/asm/disabled-features.h"
17 #include "../include/asm/cpufeatures.h"
18 #include "../include/asm/vmxfeatures.h"
19 #include "../kernel/cpu/capflags.c"
20 
main(void)21 int main(void)
22 {
23 	int i, j;
24 	const char *str;
25 
26 	printf("static const char x86_cap_strs[] =\n");
27 
28 	for (i = 0; i < NCAPINTS; i++) {
29 		for (j = 0; j < 32; j++) {
30 			str = x86_cap_flags[i*32+j];
31 
32 			if (i == NCAPINTS-1 && j == 31) {
33 				/* The last entry must be unconditional; this
34 				   also consumes the compiler-added null
35 				   character */
36 				if (!str)
37 					str = "";
38 				printf("\t\"\\x%02x\\x%02x\"\"%s\"\n",
39 				       i, j, str);
40 			} else if (str) {
41 				printf("#if REQUIRED_MASK%d & (1 << %d)\n"
42 				       "\t\"\\x%02x\\x%02x\"\"%s\\0\"\n"
43 				       "#endif\n",
44 				       i, j, i, j, str);
45 			}
46 		}
47 	}
48 	printf("\t;\n");
49 	return 0;
50 }
51